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In early Oct. 2018, the National Agro-Tech Extension and Service Center (NATESC) published information about the medium-scale occurrence of diseases and pests for late rice in China. The number of rice planthoppers in the east of Jiangnan Region rose fast and the volume of rice leaf rollers in certain areas was quite large.
On 8 June, 2018, the National Agro-Tech Extension and Service Center (NATESC) published its forecast on diseases and pests, according to which first-generation corn borers will strike most regions on a medium scale, with the total occurrence area of 8.7 million ha. It is predicted that from the middle of June to the end of July, main corn production regions will gradually enter into the peak harming phase of the first generation of larva.
In mid-May, 2018, the National Agro-Tech Extension and Service Center (NATESC) issued a pest forecast notice, indicating that pests and diseases of early rice in 2018 would occurred seriously. It is expected that Rice plant hopper, rice asiatic borer, and sheath blight will occur seriously, while rice leaf roller and rice blast disease will occurr moderately. There are 18.7 million hectares of occurrence area in the country, including 12.7 million hectares of insect occurrence and 6 million hectares of disease occurrence.
From 9-10 April 2018, the National Agri-Tech Extension Service Center (NATESC) held a Business Conference on Occurrence Trend of Wheat Pests & Diseases at Mid and Late Stage in China in Xi’an City, Shaanxi Province. It is expected that in 2018, wheat pests & diseases will strike in a way severer than ordinary years at the mid and late stage. In total, 59.3 million ha area will be stricken nationwide, including 30.7 million ha by wheat diseases and 28.7 million ha by wheat pests.
On 19 March, 2018, the National Agro-Tech Extension and Service Center (NATESC) published the prediction report on wheat diseases and pests, according to which along with the rising temperature, wheat diseases and pests strike the crop from south to north China gradually. The strike by sheath blight and wheat mites is serious in some parts of Huanghuai, and stripe rust enters the spreading phase in Southwest China and the Han River Realm. By 15 March, the stricken area by wheat diseases and pests in China had reached 5.6 million ha, down by 25.9% year on year.
Recently, the National Agro-Tech Extension and Service Center (NATESC) predicted that the occurrence of major diseases and pests in 2018 will be serious on the whole.
On 26 July, 2017, the National Agro-Tech Extension and Service Centre (NATESC) released its 2017 Third-generation Armyworm Occurrence Prediction, estimating slight strikes around the country, with high concentration in parts of Huang-Huai-Hai region and Northeast China given the large local quantities of adult armyworm. The national occurrence area is predicted to total 1.0 million ha (15.0 million mu). Occurrence of larvae may peak between late July and mid-Aug.
On 5 July, 2017, the National Agro-Tech Extension and Service Center (NATESC) updated information that the volume of left first-generation cotton bollworms in most regions of North China, West China and Huanghuai Region is high in 2017; in consideration of the favorable weather conditions in June, it is predicted that second-generation cotton bollworms will strike cotton planting areas lightly this year.
On 14 June, 2016, the National Agro-Tech Extension and Service Center (NATESC) published the occurrence trend of main diseases and pests for early rice. As a matter of fact, early rice in southern China enters the earring period gradually in the middle and late of June, which is also a key period for the prevention and control of diseases and pests. However, in this June, the strike by those is light.
On 1 June, 2017, the National Agro-Tech Extension and Service Center (NATESC) updated the newest dynamics of rice diseases and pests in China. Accordingly, due to the less precipitation recently, the immigration of rice planthoppers and rice leaf rollers is much less and the harm by rice sheath blight and rice blast is lighter over the same period last year. By late May 2017, the accumulative occurrence area of rice diseases and pests in China had reached 3.8 million ha, down by 24.2% year on year.